Abstract:
Concentrated polycrystalline DyBa2Cu3O6+x compounds are studied by X-band EPR spectroscopy. A broad resonance line due to the highly anisotropic EPR spectrum of Dy3+ ions is identified on several specimens at low temperatures. Powder simulation of the EPR spectra complies with the ground Kramers doublet predicted by crystal field analysis of Dy3+ ions. Calculations of the second and fourth moments of the resonance lines due to the dipole-dipole interactions of Dy3+ indicate the presence of substantial exchange narrowing of the dipolar-broadened EPR linewidth.
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Received 3 June 2001
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Likodimos, V., Guskos, N., Typek, J. et al. EPR study of Dy 3 + ions in DyBa 2 Cu 3 O 6 + x . Eur. Phys. J. B 24, 143–147 (2001). https://doi.org/10.1007/s100510170001
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DOI: https://doi.org/10.1007/s100510170001